未找到注释 'SqlServer:Include'。确保已经添加注解ASP.Net MVC

Question

我有一个 asp.net MVC 代码优先项目。当我运行在 Nuget 控制台中执行此命令时：

"update-database"

它returns这个错误：

    PM> update-database
Applying migration '20180623170538_natinalCode'.
System.InvalidOperationException: The annotation 'SqlServer:Include' was not found. Ensure that the annotation has been added.
   at Microsoft.EntityFrameworkCore.Infrastructure.AnnotatableExtensions.GetAnnotation(IAnnotatable annotatable, String annotationName)
   at Microsoft.EntityFrameworkCore.Migrations.SqlServerMigrationsSqlGenerator.<GetIndexesToRebuild>d__48.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at Microsoft.EntityFrameworkCore.Migrations.SqlServerMigrationsSqlGenerator.Generate(AlterColumnOperation operation, IModel model, MigrationCommandListBuilder builder)
   at Microsoft.EntityFrameworkCore.Migrations.MigrationsSqlGenerator.Generate(MigrationOperation operation, IModel model, MigrationCommandListBuilder builder)
   at Microsoft.EntityFrameworkCore.Migrations.MigrationsSqlGenerator.Generate(IReadOnlyList`1 operations, IModel model)
   at Microsoft.EntityFrameworkCore.Migrations.SqlServerMigrationsSqlGenerator.Generate(IReadOnlyList`1 operations, IModel model)
   at Microsoft.EntityFrameworkCore.Migrations.Internal.Migrator.GenerateUpSql(Migration migration)
   at Microsoft.EntityFrameworkCore.Migrations.Internal.Migrator.Migrate(String targetMigration)
   at Microsoft.EntityFrameworkCore.Design.Internal.MigrationsOperations.UpdateDatabase(String targetMigration, String contextType)
   at Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.Execute(Action action)
The annotation 'SqlServer:Include' was not found. Ensure that the annotation has been added.
PM>

这个项目不是核心...

我该怎么办？

感谢您的回复...

Answer 1

更新 Microsoft.EntityFrameworkCore ,Microsoft.EntityFrameworkCore.SqlServer 和 Microsoft.EntityFrameworkCore.Tools 到版本 2.2.0 或更高版本:)

未找到注释 'SqlServer:Include'。确保已经添加注解ASP.Net MVC

The annotation 'SqlServer:Include' was not found. Ensure that the annotation has been added ASP.Net MVC

c#

asp.net-mvc

entity-framework

code-first

entity-framework-core